The value of g from the given proportion is 227.2
<h3>Ratio and proportions</h3>
Fractions are written as a ratio of two integers. For instance a/b is a fraction where a and b are integers.
Given the following proportion shown below;
143/g = 540/858
In order to determine the value of g, we will cross multiply to have:
540g = 143 * 858
Simplify
540g = 122694
Divide both sides by 540
540g/540 = 122694/540
g = 122694/540
g = 227.2
Hence the value of g from the given proportion is 227.2
Learn more on proportion here: brainly.com/question/19994681
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